Australia›SA›Evanston South›Trinity College Senior

Trinity College Senior

IndependentSecondary11-12
Evanston South, SA 5116 · Major Cities
669Students
1025ICSEA
1:11.4Ratio
3/10SEIFA
Trinity
OverviewEnrolmentStaffCommunityAttendanceAttainmentTrendsSimilarNearby

Key Workforce Metrics

Trinity College Senior has 158 staff members (82.6 FTE), including 68 teachers and 90 non-teaching staff.

Student:Teacher Ratio
11.4:1-0.1
Better than national avg
Teaching Staff
68+2.9 FTE
58.8 FTE
Non-Teaching Staff
90
23.8 FTE
Total Staff
158
48% part-time

Staffing Ratio Comparison

How Trinity College Senior's student-to-teacher ratio compares to state and national averages. A lower ratio generally means more individual attention per student.

Trinity
11.4:1
SA Average
12.6:1
National Average
12.3:1

With a ratio of 11.4:1, this school has a better student-to-teacher ratio than both the SA average (12.6:1) and the national average (12.3:1).

Workforce Composition

Classroom Teachers
68
58.8 FTE
Non-Teaching Staff
90
23.8 FTE
Total Workforce
158
82.6 FTE
FTE (full-time equivalent)Headcount (incl. part-time)
Source: ACARA School Profile (2025)

Staffing Trends — 2016–2025

Teaching staff levels and student-to-teacher ratio over time.

36.946.255.464.7Nat avg48.045.946.946.648.348.150.843.455.958.813:113.5:112.5:111.7:111.7:112.3:110.7:112.7:111.5:111.4:116171819202122232425
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)

Staffing History

YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202558.866911.4:1-0.1
202455.964111.5:1-1.2
202343.455212.7:1+2
202250.854610.7:1-1.6
202148.159112.3:1+0.6
202048.356611.7:10
201946.654411.7:1-0.8
201846.958812.5:1-1
201745.961913.5:1+0.5
201648.062313:1—